..谢啦...f(x)=3x²-12x+5=3(x-2)²-7这是怎么变的啊...

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/16 11:30:29
..谢啦...f(x)=3x²-12x+5=3(x-2)²-7这是怎么变的啊...

..谢啦...f(x)=3x²-12x+5=3(x-2)²-7这是怎么变的啊...
..谢啦...f(x)=3x²-12x+5=3(x-2)²-7这是怎么变的啊...

..谢啦...f(x)=3x²-12x+5=3(x-2)²-7这是怎么变的啊...